7-Way Recommendation to Fit in Bed of 1986 Ford F-250

Updated 02/17/2026 | Published 06/20/2024

Question:

7way wiring harness to be put in 86 f250 6.9 for gooseneck trailer already has brake controller installed which wiring harness

asked by: Bobby

Expert Reply:

Hey Bobby, to install a 7-way in the bed of your 1986 Ford F-250 what you'd want is the part # 41157 which will plug inline with the 7-way at the rear of your truck and give you one you can install in the bed.

expert reply by: Jameson C

Jameson C.

2/17/2026

Hey Bobby, how did the 7-way wiring harness work out on your F-250 for the gooseneck trailer? Your results could really help others setting up a similar connection.